ALLOCATE CHANNEL CH00 type disk maxpiecesize 20G format '/oradata/rman_bak/%d_DB_%T_%u_%s_%p'; ALLOCATE CHANNEL CH01 type disk maxpiecesize 20G format '/oradata/rman_bak/%d_DB_%T_%u_%s_%p'; ALLOCATE CHANNEL CH02 type disk maxpiecesize 20G format '/oradata/rman_bak/%d_DB_%T_%u_%s_%p'; ALLOCATE CHANNEL CH03 type disk maxpiecesize 20G format '/oradata/rman_bak/%d_DB_%T_%u_%s_%p'; backup database; release channel CH00; release channel CH01; release channel CH02; release channel CH03; sql 'alter system archive log current'; ALLOCATE CHANNEL CH00 type disk; ALLOCATE CHANNEL CH01 type disk; BACKUP filesperset 10 FORMAT '/oradata/rman_bak/al_%T_%s_%p_%t' ARCHIVELOG ALL not backed up 2 times; DELETE NOPROMPT ARCHIVELOG UNTIL TIME 'SYSDATE-7'; release channel CH00; release channel CH01; ALLOCATE CHANNEL CH00 type disk; BACKUP FORMAT '/oradata/rman_bak/cntrl_%T_%s_%p_%t' CURRENT CONTROLFILE; release channel CH00; ALLOCATE CHANNEL CH00 type disk; delete NOPROMPT backup completed before 'sysdate-15'; release channel CH00;